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Finding the Fourth Proportional to 370,956.72, 556,478.82 and 118,149.24

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Solution

The fourth proportional to 370,956.72, 556,478.82 and 118,149.24 is: 177,237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,956.72 : 556,478.82 = 118,149.24 : x
  2. Step 2: Convert to fraction form
    370,956.72/556,478.82 = 118,149.24/x
  3. Step 3: Cross multiply
    370,956.72x = 556,478.82 × 118,149.24
  4. Step 4: Simplify right side
    370,956.72x = 65,747,549,659.10
  5. Step 5: Solve for x
    x = 65,747,549,659.10/370,956.72
  6. Step 6: Final answer
    x = 177,237.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.